2-ethenylpyrene

Base Information

• Chemical Name: 2-ethenylpyrene
• CAS No.: 86471-00-3
• Molecular Formula: C₁₈H₁₂
• Molecular Weight: 228.293
• Mol file: 86471-00-3.mol

Synonyms:

Chemical Property of 2-ethenylpyrene

Chemical Property:

• Vapor Pressure: 1.5E-06mmHg at 25°C
• Boiling Point: 409.8°Cat760mmHg
• Flash Point: 193°C
• Density: 1.214g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-ethenylpyrene

There total 6 articles about 2-ethenylpyrene which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 79.0%

2-(1-hydroxyethyl)pyrene (86470-99-7) → 2-vinylpyrene (86471-00-3)

Guidance literature:

With toluene-4-sulfonic acid; In benzene; for 20h; Heating;

DOI:10.1021/jo00165a031

Reference yield:

2-Ethynylpyrene (146445-96-7) → 2-ethylpyrene (23801-18-5) + 2-vinylpyrene (86471-00-3)

Guidance literature:

With carbon monoxide; hydrogen; In tetrahydrofuran; at 70 ℃; for 6h; under 7757.43 Torr; Autoclave;

DOI:10.1016/j.molcata.2016.01.004

Reference yield:

4,5-dihydropyrene (6628-98-4) → 2-vinylpyrene (86471-00-3)

Guidance literature:

Multi-step reaction with 5 steps

1: H₂ / 10percent Pd on charcoal / ethyl acetate / 72 h / 2844.3 Torr

2: 86 percent / 1.) AlCl₃, 2.) ice / CS₂ / 1.) 0 deg C then RT 2 h

3: 93 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone / benzene / 20 h / Heating

4: NaBH₄ / methanol / 2 h

5: 79 percent / p-toluenesulfonic acid / benzene / 20 h / Heating

With sodium tetrahydroborate; aluminium trichloride; Methamphetamin; hydrogen; toluene-4-sulfonic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; palladium on activated charcoal; In methanol; carbon disulfide; ethyl acetate; benzene;

DOI:10.1021/jo00165a031

upstream raw materials:

2-(1-hydroxyethyl)pyrene

4,5-dihydropyrene

4,5,9,10-tetrahydropyrene

1-(pyren-2-yl)ethan-1-one

Refernces

• 1、 Harvey, Ronald G.,Konieczny, Maria,Pataki, John. "Synthesis of the Isomeric Mono- and Bisoxiranylpyrenes". . p. 2930 - 2932. Retrieved 2007/10/02.